```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>EZGIF - 专业在线GIF处理平台</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
        .mermaid {
            background-color: white;
            border-radius: 0.5rem;
            padding: 1.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        .drop-cap:first-letter {
            float: left;
            font-size: 4.5rem;
            line-height: 0.9;
            margin-right: 1rem;
            font-weight: 600;
            color: #6366f1;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4 md:px-0">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl font-bold mb-6 leading-tight">
                        释放创意 玩转动态
                        <span class="block text-3xl md:text-4xl font-medium mt-2">专业级在线GIF处理平台</span>
                    </h1>
                    <p class="text-xl mb-8 opacity-90 leading-relaxed">EZGIF提供一站式GIF解决方案，无需安装软件，即刻体验强大的动画处理能力。</p>
                    <div class="flex flex-col sm:flex-row gap-4">
                        <a href="https://ezgif.com" class="bg-white text-indigo-600 hover:bg-indigo-50 font-semibold py-3 px-6 rounded-lg shadow-md transition-all duration-300 transform hover:scale-105 text-center">
                            <i class="fas fa-play-circle mr-2"></i>立即体验
                        </a>
                        <a href="#features" class="bg-transparent border-2 border-white hover:bg-white hover:text-indigo-600 font-semibold py-3 px-6 rounded-lg transition-all duration-300 text-center">
                            <i class="fas fa-info-circle mr-2"></i>了解更多
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2 flex justify-center">
                    <div class="relative w-full max-w-md">
                        <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1748411572185-94b5ff8b-b4a2-4918-adf5-2e31d7290475.png" 
                             alt="EZGIF界面展示" 
                             class="rounded-xl shadow-2xl border-8 border-white transform rotate-2">
                        <div class="absolute -bottom-6 -right-6 bg-white p-4 rounded-lg shadow-lg transform -rotate-2">
                            <i class="fas fa-magic text-4xl text-purple-500"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section id="features" class="py-16 bg-white">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold text-gray-900 mb-4">全面强大的GIF处理功能</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>

            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <!-- Feature 1 -->
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white text-2xl mb-6 mx-auto">
                        <i class="fas fa-exchange-alt"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-4 text-center">格式转换</h3>
                    <p class="text-gray-600 text-center">支持GIF、视频、图片之间的无缝转换，满足各种格式需求</p>
                </div>

                <!-- Feature 2 -->
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white text-2xl mb-6 mx-auto">
                        <i class="fas fa-sliders-h"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-4 text-center">精细编辑</h3>
                    <p class="text-gray-600 text-center">裁剪、调整大小、添加文字、调整速度等全方位编辑功能</p>
                </div>

                <!-- Feature 3 -->
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg transition-all duration-300">
                    <div class="feature-icon rounded-full flex items-center justify-center text-white text-2xl mb-6 mx-auto">
                        <i class="fas fa-compress-arrows-alt"></i>
                    </div>
                    <h3 class="text-xl font-bold text-gray-900 mb-4 text-center">智能优化</h3>
                    <p class="text-gray-600 text-center">压缩文件大小同时保持画质，完美适配各种使用场景</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Info Section -->
    <section class="py-16 bg-gray-50">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="flex flex-col md:flex-row items-center gap-12">
                <div class="md:w-1/2">
                    <div class="mermaid">
                        graph TD
                            A[EZGIF核心功能] --> B[格式转换]
                            A --> C[编辑优化]
                            A --> D[特效处理]
                            B --> B1[视频转GIF]
                            B --> B2[图片转GIF]
                            B --> B3[GIF转视频]
                            C --> C1[裁剪调整]
                            C --> C2[添加文字]
                            C --> C3[速度控制]
                            D --> D1[滤镜效果]
                            D --> D2[颜色调整]
                            D --> D3[动画特效]
                    </div>
                </div>
                <div class="md:w-1/2">
                    <h2 class="text-3xl font-bold text-gray-900 mb-6">为什么选择EZGIF？</h2>
                    <div class="space-y-4">
                        <div class="flex items-start">
                            <div class="flex-shrink-0 bg-indigo-100 rounded-full p-2 mr-4">
                                <i class="fas fa-check-circle text-indigo-600"></i>
                            </div>
                            <div>
                                <h4 class="font-semibold text-lg text-gray-900">完全免费</h4>
                                <p class="text-gray-600">基础功能全部免费开放，无需付费即可享受专业级服务</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="flex-shrink-0 bg-indigo-100 rounded-full p-2 mr-4">
                                <i class="fas fa-check-circle text-indigo-600"></i>
                            </div>
                            <div>
                                <h4 class="font-semibold text-lg text-gray-900">无需注册</h4>
                                <p class="text-gray-600">直接上传文件即可开始处理，无需繁琐的注册流程</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="flex-shrink-0 bg-indigo-100 rounded-full p-2 mr-4">
                                <i class="fas fa-check-circle text-indigo-600"></i>
                            </div>
                            <div>
                                <h4 class="font-semibold text-lg text-gray-900">批量处理</h4>
                                <p class="text-gray-600">支持同时处理多个文件，大幅提升工作效率</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="flex-shrink-0 bg-indigo-100 rounded-full p-2 mr-4">
                                <i class="fas fa-check-circle text-indigo-600"></i>
                            </div>
                            <div>
                                <h4 class="font-semibold text-lg text-gray-900">操作简单</h4>
                                <p class="text-gray-600">直观的用户界面，参数调整一目了然，轻松上手</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases Section -->
    <section class="py-16 bg-white">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold text-gray-900 mb-4">典型使用场景</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>

            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <!-- Case 1 -->
                <div class="bg-gray-50 rounded-xl overflow-hidden shadow-lg transition-all duration-300 hover:shadow-xl">
                    <div class="h-48 bg-indigo-100 flex items-center justify-center">
                        <i class="fas fa-share-alt text-6xl text-indigo-500"></i>
                    </div>
                    <div class="p-6">
                        <h3 class="text-xl font-bold text-gray-900 mb-3">社交媒体内容</h3>
                        <p class="text-gray-600">快速处理GIF文件，优化大小和效果，让您的社交媒体内容更吸睛</p>
                    </div>
                </div>

                <!-- Case 2 -->
                <div class="bg-gray-50 rounded-xl overflow-hidden shadow-lg transition-all duration-300 hover:shadow-xl">
                    <div class="h-48 bg-purple-100 flex items-center justify-center">
                        <i class="fas fa-laptop-code text-6xl text-purple-500"></i>
                    </div>
                    <div class="p-6">
                        <h3 class="text-xl font-bold text-gray-900 mb-3">网页设计</h3>
                        <p class="text-gray-600">为网站创建轻量级的动画效果，提升用户体验和视觉吸引力</p>
                    </div>
                </div>

                <!-- Case 3 -->
                <div class="bg-gray-50 rounded-xl overflow-hidden shadow-lg transition-all duration-300 hover:shadow-xl">
                    <div class="h-48 bg-pink-100 flex items-center justify-center">
                        <i class="fas fa-chalkboard-teacher text-6xl text-pink-500"></i>
                    </div>
                    <div class="p-6">
                        <h3 class="text-xl font-bold text-gray-900 mb-3">教学演示</h3>
                        <p class="text-gray-600">将视频转换为GIF，便于在文档中展示动态内容，提高教学效果</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Guide Section -->
    <section class="py-16 bg-indigo-50">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold text-gray-900 mb-4">快速上手指南</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>

            <div class="relative">
                <!-- Timeline -->
                <div class="hidden md:block absolute left-1/2 transform -translate-x-1/2 h-full w-0.5 bg-indigo-200"></div>

                <!-- Step 1 -->
                <div class="flex flex-col md:flex-row items-center mb-12">
                    <div class="md:w-1/2 md:pr-12 mb-8 md:mb-0 md:text-right">
                        <div class="inline-block bg-white p-6 rounded-lg shadow-md">
                            <h3 class="text-xl font-bold text-gray-900 mb-2">1. 选择功能模块</h3>
                            <p class="text-gray-600">访问官网，从丰富的功能模块中选择您需要的工具</p>
                        </div>
                    </div>
                    <div class="md:w-1/2 flex justify-center">
                        <div class="w-16 h-16 rounded-full bg-indigo-500 text-white flex items-center justify-center text-2xl font-bold shadow-lg">1</div>
                    </div>
                </div>

                <!-- Step 2 -->
                <div class="flex flex-col md:flex-row items-center mb-12">
                    <div class="md:w-1/2 order-2 md:order-1 flex justify-center">
                        <div class="w-16 h-16 rounded-full bg-indigo-500 text-white flex items-center justify-center text-2xl font-bold shadow-lg">2</div>
                    </div>
                    <div class="md:w-1/2 md:pl-12 order-1 md:order-2 mb-8 md:mb-0">
                        <div class="inline-block bg-white p-6 rounded-lg shadow-md">
                            <h3 class="text-xl font-bold text-gray-900 mb-2">2. 上传文件</h3>
                            <p class="text-gray-600">轻松上传需要处理的GIF、视频或图片文件</p>
                        </div>
                    </div>
                </div>

                <!-- Step 3 -->
                <div class="flex flex-col md:flex-row items-center mb-12">
                    <div class="md:w-1/2 md:pr-12 mb-8 md:mb-0 md:text-right">
                        <div class="inline-block bg-white p-6 rounded-lg shadow-md">
                            <h3 class="text-xl font-bold text-gray-900 mb-2">3. 调整参数</h3>
                            <p class="text-gray-600">根据您的需求，精细调整各项处理参数</p>
                        </div>
                    </div>
                    <div class="md:w-1/2 flex justify-center">
                        <div class="w-16 h-16 rounded-full bg-indigo-500 text-white flex items-center justify-center text-2xl font-bold shadow-lg">3</div>
                    </div>
                </div>

                <!-- Step 4 -->
                <div class="flex flex-col md:flex-row items-center">
                    <div class="md:w-1/2 order-2 md:order-1 flex justify-center">
                        <div class="w-16 h-16 rounded-full bg-indigo-500 text-white flex items-center justify-center text-2xl font-bold shadow-lg">4</div>
                    </div>
                    <div class="md:w-1/2 md:pl-12 order-1 md:order-2 mb-8 md:mb-0">
                        <div class="inline-block bg-white p-6 rounded-lg shadow-md">
                            <h3 class="text-xl font-bold text-gray-900 mb-2">4. 下载结果</h3>
                            <p class="text-gray-600">一键下载处理完成的文件，即刻使用</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-20 bg-gray-900 text-white">
        <div class="container mx-auto max-w-6xl px-4 text-center">
            <h2 class="text-3xl md:text-4xl font-bold mb-6">立即体验专业级GIF处理工具</h2>
            <p class="text-xl mb-8 max-w-3xl mx-auto opacity-90">EZGIF让GIF处理变得前所未有的简单高效，完全免费，无需注册，即刻开始创作</p>
            <a href="https://ezgif.com" class="inline-block bg-indigo-500 hover:bg-indigo-600 font-semibold py-4 px-8 rounded-lg shadow-lg transition-all duration-300 transform hover:scale-105">
                <i class="fas fa-rocket mr-2"></i>前往EZGIF官网
            </a>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis',
                nodeSpacing: 50,
                rankSpacing: 50
            },
            securityLevel: 'loose'
        });
    </script>
</body>
</html>
```